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The MCQ: The contents of a relation instance may change with time as the relation; "Database Schema" App Download (Free) with answers: Domain; Time; Updated; Retrieved; for master degree in computer science. Practice Database Schema Quiz Questions, download Apple e-Book (Free Sample) for online software development courses.
Database Schema MCQs: Questions and Answers PDF Download
A snapshot of the data in the database at a given instant in time, is known as
- Database entity
- Database relation
- Database instance
- Database Schema
The contents of a relation instance may change with time as the relation
- Domain
- Time
- Updated
- Retrieved
A relation schema consists of a list of attributes and their corresponding
- Variables
- Instances
- Domains
- Tuples
The logical design of the database, is known to be
- Database instance
- Database entity
- Database relation
- Database Schema
The concept of a relation schema corresponds to the programming-language notion of
- Class
- Function
- Variable
- Type definition
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Database Schema MCQs Book Questions
- Operation that operates on two relations and produces a relation as result, is known to be
- Wherever a view relation appears in a query, it is replaced by stored
- In an E-R diagram, based on UML, entity sets are represented by a
- For understanding of operations, clauses must be written in order
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